feat: tablets get user table remotely

[oh2024]

• What kind of change does this PR introduce? (Bug fix, feature, docs update, ...) Feature

• What is the current behavior? (You can also link to an open issue here) All tablets get a copy of the user table. There will be problems when new tablets are added after deployment because replica size is fixed.

• What is the new behavior (if this is a feature change)? At most 2 tablets contain user table. Other tablets get them remotely

[github-actions[bot]]

SDK Test Report

102 files  102 suites   2m 12s :stopwatch: 357 tests 343 :white_check_mark: 14 :zzz: 0 :x: 483 runs  469 :white_check_mark: 14 :zzz: 0 :x:

Results for commit a7e53f57.

:recycle: This comment has been updated with latest results.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 81.25000% with 6 lines in your changes are missing coverage. Please review.

Project coverage is 75.18%. Comparing base (d9bb344) to head (d44cfe1). Report is 1 commits behind head on main.

Files	Patch %	Lines
src/tablet/tablet_impl.cc	78.26%	5 Missing :warning:
src/auth/brpc_authenticator.cc	50.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #3918 +/- ## ============================================ + Coverage 74.98% 75.18% +0.20% Complexity 658 658 ============================================ Files 751 751 Lines 135067 135068 +1 Branches 1501 2039 +538 ============================================ + Hits 101276 101550 +274 + Misses 33503 33230 -273 Partials 288 288 ```

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[github-actions[bot]]

Linux Test Report

    59 files     252 suites   1h 48m 14s :stopwatch: 13 509 tests 13 502 :white_check_mark: 7 :zzz: 0 :x: 19 181 runs  19 174 :white_check_mark: 7 :zzz: 0 :x:

Results for commit a7e53f57.

:recycle: This comment has been updated with latest results.